Frequently Asked Questions


Find explanations about most popular questions regarding our products and tips for how to select the right solutions. Choose topics by category you're interested in.

If your question remains unanswered, please contact us directly.

What is a 400 Hz frequency converter?

400 Hz is a type of frequency within AC electrical power, which is the standard for weapon systems, aerospace and aircraft industries across the world.

Why Aircrafts use 400 Hz?

The worldwide standard for aerospace and aviation is 400hz. Using 400hz in the airports all around the world is a global standard.

What are Ground Power Unit types?

A Ground Power Unit (GPU) is a ground support equipment (GSE) power supply equipment that provides clean power for both maintenance and engine starting aircraft while they are parked on the hangar or runaway.

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